package com.hrsoft.edi.util;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * 获取Bean实体工具类
 *
 * @author dzl
 * @create 2017-12-26 20:16
 **/
@Component
public class BeanUtils implements ApplicationContextAware
{

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException
    {
        if(null == BeanUtils.applicationContext) {
            BeanUtils.applicationContext = applicationContext;
        }
    }

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    //通过name获取Bean
    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }

    //通过class获取Bean
    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);
    }

    //通过name,以及Clazz返回指定的Bean
    public static <T> T getBean(String name, Class<T> clazz) {
        return getApplicationContext().getBean(name, clazz);
    }

    public static List getBeansOfType(Class clazz)
    {
        Map map = getApplicationContext().getBeansOfType(clazz);
        return new ArrayList(map.values());
    }
}
